EP1656885A1 - Appareil pour un test neuropsychologique - Google Patents

Appareil pour un test neuropsychologique Download PDF

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Publication number
EP1656885A1
EP1656885A1 EP05024511A EP05024511A EP1656885A1 EP 1656885 A1 EP1656885 A1 EP 1656885A1 EP 05024511 A EP05024511 A EP 05024511A EP 05024511 A EP05024511 A EP 05024511A EP 1656885 A1 EP1656885 A1 EP 1656885A1
Authority
EP
European Patent Office
Prior art keywords
pin
pressure transducer
switch
fingertip
electromagnet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05024511A
Other languages
German (de)
English (en)
Other versions
EP1656885B1 (fr
Inventor
Werner Dr. Wittling
Ralf Arne Wittling
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wittling Ralf Arne
Wittling Werner Dr
Original Assignee
Wittling Ralf Arne
Wittling Werner Dr
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wittling Ralf Arne, Wittling Werner Dr filed Critical Wittling Ralf Arne
Publication of EP1656885A1 publication Critical patent/EP1656885A1/fr
Application granted granted Critical
Publication of EP1656885B1 publication Critical patent/EP1656885B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/40—Detecting, measuring or recording for evaluating the nervous system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0048—Detecting, measuring or recording by applying mechanical forces or stimuli
    • A61B5/0053—Detecting, measuring or recording by applying mechanical forces or stimuli by applying pressure, e.g. compression, indentation, palpation, grasping, gauging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
    • A61B5/162—Testing reaction times

Definitions

  • the invention relates to a device for performing a neuropsychological test with a switch, which comprises a movable pin, with which a stimulus on a fingertip of a person to be examined is exercisable.
  • DE 196 33 866 A1 shows a corresponding device in which a person must press as fast as possible for a period of 15 seconds with the right and / or left index finger one or two Morsetasten as often as possible.
  • the morse key is assigned a pressure sensor in order to detect the tactile pressure in addition to the tactile frequency.
  • the specification of a specific sampling rhythm or the operation of different Morse keys in response to a signal is not disclosed.
  • DE 41 42 248 A1 describes a tapping device which comprises a plurality of intersecting, mutually insulated interconnects. Depending on which tracks are controlled via a random generator voltage is applied, this intersection is identified as the default Tappingort.
  • This tapping location must be determined by the person For example, with a fingertip, pressed, the pressing is detected electromagnetically. Also, the pressure exerted by the fingertip can be detected.
  • the tapping device has the disadvantage that it must be made relatively large area to identify different tapping locations.
  • a neurological test device is known from US 2003/0055322 A1, in which, for example via colored LEDs, a signal is transmitted to a person to be examined, which then u. a. touch a touch-sensitive screen.
  • the information is transmitted from the eye to the brain, which is why no information is transmitted from the fingertips to the brain.
  • US-A-4 516 939 describes a finger control system in which each finger is associated with a switch each comprising a movable pin.
  • the switches may be driven by a common controller to respectively move the pins to exert a stimulus on the person's fingertips.
  • the person in turn may, for example, when an irritation of a finger was done by one of the pins, act on the pen, which is detected by the controller.
  • the switch can only be actuated if the pin has previously been moved to an extended position. This is disadvantageous in that an incorrect operation of a switch with retracted pin with the device is not detectable, since the arranged in a retracted position pin can not be further depressed.
  • the object is achieved in that the switch is associated with an operable with the fingertip pressure transducer, which is acted upon independently of the position of the pin.
  • the core idea of the invention is that the irritation of the skin of a fingertip of the person to be examined in a conventional manner via a movable between two positions pin, preferably a metal pin occurs.
  • the fingertip is irritated, for example, by the displacement of the pin from a retracted to an extended position.
  • the switch or the entire device comprises a pressure transducer, which is associated with the switch or the pin so that it can be actuated by the same fingertip that is irritated by the pin.
  • the pin and the pressure transducer can be arranged in any desired manner, but preferably as described below.
  • the device or the switch is assigned a control in order to exert on the one hand with the switch or the stylus one or more stimuli in a desired temporal sequence on the fingertip and an actuation of the pressure transducer by the fingertip capture.
  • the controller is preferably designed such that the measurement results, ie in addition to the activation of the pen, the operation of the pressure transducer, read out as a function of time from the controller and is preferably evaluated on a PC with a suitable program.
  • the advantage of the invention is that a reaction of the person to be examined at any time with the device can be detected, since the pressure transducer can be pressed or pressed regardless of the position of the pen of the fingertip, so it is not erforderilch, down to the pen Press, which also results in a relatively short reaction time.
  • the reaction times i. H. the time between stimulation of the fingertip and actuation of the pressure transducer can be detected with the device.
  • error rates, d. H. to detect a faulty operation of the pressure transducer, as well as their time course, since with increasing test duration usually a fatigue of the person and concomitantly an increase in the error rate occurs.
  • the pressure transducer is designed in the form of a touch plate and the pin extends through a recess of the touch panel.
  • the touch plate is in the axial direction of the pen, in which it is also moved to stimulate the fingertip depressible to detect the reaction of the person to the irritation of the pen by this depression.
  • the touch panel may be formed as a round disc made of metal and / or plastic with a central recess for the pin, wherein the diameter of the touch panel corresponds approximately to the size of a fingertip.
  • the pressure with which the pressure transducer is actuated by the fingertip can be detected, wherein the size of the pressure can be measured, for example, via a piezoelectric element assigned to the touch plate.
  • the force exerted by the fingertip on the touch plate also in the time course of depression can be detected in order to derive further sensu-motor information from this.
  • the device comprises four or five switches with a movable pin, each associated with a pressure transducer, the switches are ergonomically arranged so that in a relaxed hand position of the person's fingertips come to rest on the switches.
  • the switches can be arranged on an upper side of a housing of the device in order to operate the switches comfortably with the fingertips.
  • the switches can be made flush with this surface or slightly projecting over the surface.
  • the device is preferably constructed of two essentially mirror-symmetrical similar housings with switches to stimulate the fingertips of both hands of the person and to derive sensory-motor conclusions from this.
  • the arranged in two separate housings eight or ten switches are of course controlled by a common control to obtain, for example, by an irritation of the fingertips of the right hand statements about the capabilities of the left hemisphere and vice versa.
  • an electromagnet which is driven, for example via a relay, wherein the pin is pulled out by the magnetic field upon activation of the electromagnet.
  • the touch panel is moved by the pressure of a fingertip together with the electromagnet, wherein the movement is parallel to the axial direction of movement of the pin.
  • the touch plate and the electromagnet are mounted in a correspondingly designed guide. After reaching an end position, the force exerted by the fingertip force is absorbed by the guide and / or the housing, which is why a destructive or damaging overstroke is excluded.
  • the pressure transducer and optionally the electromagnet together of a preferably as a micro key spring designed spring loaded with a restoring force to move the pressure transducer, for example, in a top of a housing arranged switch back up.
  • the device further signal means are assigned to transmit optical and / or acoustic signals or stimuli. These may be, for example, light sources to generate different light signals, or a loudspeaker to output voice messages, sounds or the like.
  • the voice message can be output that, despite the irritation of a finger, there should be no reaction. This allows conclusions to be drawn on the processing of these signals in the brain or on the forwarding of the corresponding commands in the brain, in particular from the error rate occurring here.
  • the device can be controlled in different operating modes.
  • a fingertip pressure transducer may be actuated as often as possible within a predetermined time period or according to a rhythm dictated by the stylus.
  • continuous stimulation for example by vibration of the strift, is also possible for the examination of attention.
  • either only a single finger or several fingers can be detected consecutively.
  • the number of taps ie a press, for the given total duration, the number of taps per period for determination a trajectory, the time interval of two successive taps, the time course and the rhythm and an error rate are recorded, for example, at the same time recording the taps of two hands, the manual coordination, the rhythmicity and stability of the finger motor and the motor fatigue in temporal To measure course and to compare the two halves of the brain with each other and to be able to locate a possibly existing brain dysfunction. It goes without saying that an EEG of the patient can be recorded at the same time.
  • the device is provided with a connection point, via which the activation of the pin or a signal of the pressure transducer is forwarded to the EEG.
  • the response time may be detected by detecting the time between the exercise of the stimulus by the moving stylus and the actuation of the pressure transducer.
  • the patient may be indicated, for example via a light signal, that, although irritated, he should not actuate the pressure transducer so as to measure a so-called election reaction time. It is also possible, for example, to irritate a finger of the left hand and to require the person to operate the pressure transducer with the corresponding finger of the right hand and vice versa. Interhemispheric transmission processes can be measured to detect a brain dysfunction affecting the interhemispheric connection system.
  • the motor and tactile performance characteristics of individual fingers isolated and differentiated detected become.
  • the finger and hand motor skills of a person, in particular after a brain injury can be trained with the device.
  • the switch 1 consists essentially of a metallic, provided with an end tip 11 pin 2, which is disposed within an electromagnet 3, wherein the electromagnet 3 is controlled such that the pin 2 in its axial direction from a retracted to an extended position is relocatable. In this extended position, the pin 2 is perpendicular to the top over the switch 1 and irritated with its tip 11, the skin of resting on the switch 1 fingertip of a person to be examined.
  • the switch 1 is associated with a pressure sensor, which is designed here in the form of an annular contact plate 4 with a central recess for the pin 2. If the pressure transducer or the touch plate 4 is actuated, the touch plate 4 is displaced together with the pin 2 and the electromagnet 3 in the axial direction, as indicated by the double arrow A, down.
  • the electromagnet 3 is arranged displaceably in a guide 5 which is formed in two parts here.
  • the touch plate 4 can be operated independently of the position of the pin 2.
  • the switch 1 on an acceleration block 6 to the movement of the electromagnet 3 and the touch panel 4 to a arranged in a holder 7 micro switch 8 to transmit.
  • the acceleration block 6 a movement of the electromagnet 3 and the touch plate 4 can be attenuated.
  • the acceleration block 6 allows, depending on its configuration, a variation of the terminal speed of the pin 2 and thus of the triggered pulse.
  • the microswitch 8 has a spring to relocate after releasing the touch plate 4 and the electromagnet 3 back up to the original position.
  • the guide 5 and the holder 7 are preferably made of metal and / or plastic.
  • the signals of the microswitch 8 are read out via a suitable controller, which is implemented in hardware and / or software, and the electromagnet 3 is controlled in a desired manner by means of the controller in order to carry out different neuropsychological tests with the apparatus.
  • the control can vary in such a way that single pulses, multiple impulses up to continuous pulses (vibration) of the pin 2 are possible.
  • the pulse of the pin 2 can also be influenced by an adaptation of the turn-on time or a change in the operating voltage of the electromagnet 3 in a wide range down to the Tastschwelle.
  • the device consists essentially of two mirror-symmetrical housings 9, on the tops of which a plurality of switches 1 are distributed in an ergonomic manner in order to stimulate four fingers of one hand and to detect the reactions thereto.
  • a fifth switch 1 for the thumb can also be provided in the housings 9 in each case.
  • lines 10 are led out for power supply and for driving the switch 1 and for reading the measurement data, the evaluation and control preferably with a corresponding program via a PC.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Hospice & Palliative Care (AREA)
  • Neurosurgery (AREA)
  • Physiology (AREA)
  • Child & Adolescent Psychology (AREA)
  • Developmental Disabilities (AREA)
  • Educational Technology (AREA)
  • Neurology (AREA)
  • Psychiatry (AREA)
  • Psychology (AREA)
  • Social Psychology (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Finger-Pressure Massage (AREA)
EP05024511A 2004-11-11 2005-11-10 Appareil pour un test neuropsychologique Expired - Lifetime EP1656885B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004054656A DE102004054656B3 (de) 2004-11-11 2004-11-11 Vorrichtung zur Durchführung eines neuropsychologischen Tests

Publications (2)

Publication Number Publication Date
EP1656885A1 true EP1656885A1 (fr) 2006-05-17
EP1656885B1 EP1656885B1 (fr) 2007-07-04

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ID=35698247

Family Applications (1)

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EP05024511A Expired - Lifetime EP1656885B1 (fr) 2004-11-11 2005-11-10 Appareil pour un test neuropsychologique

Country Status (3)

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EP (1) EP1656885B1 (fr)
AT (1) ATE366080T1 (fr)
DE (2) DE102004054656B3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2395916A1 (fr) * 2009-02-12 2011-12-21 Ramot at Tel-Aviv University Ltd Procédé et système de détection de neuropathie
CN102892351A (zh) * 2010-05-17 2013-01-23 朴钟殷 神经机能检查装置
EP3081151A1 (fr) 2015-04-16 2016-10-19 Finn Gilling Christensen Dispositif et procédés permettant de diagnostiquer l'adhd et/ou l'autisme
CN110037745A (zh) * 2019-05-29 2019-07-23 宋晶晶 一种用于测试膝跳反应的神经内科临床叩诊锤
RU229083U1 (ru) * 2024-05-21 2024-09-20 Федеральное государственное автономное образовательное учреждение высшего образования "Северный (Арктический) федеральный университет имени М. В. Ломоносова" Устройство для экспресс-диагностики функционального состояния нервной системы по психомоторным показателям

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010017576U1 (de) 2010-06-04 2012-03-08 Universität Leipzig Anordnung zur haptischen Erkennbarkeit von Objektstrukturen und Objektmerkmalen

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4516939A (en) * 1979-05-24 1985-05-14 Quill Licensing Finger control system
US5002065A (en) * 1988-04-20 1991-03-26 Link Performance And Recovery Systems Vibratory screening or diagnostic systems

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4516939A (en) * 1979-05-24 1985-05-14 Quill Licensing Finger control system
US5002065A (en) * 1988-04-20 1991-03-26 Link Performance And Recovery Systems Vibratory screening or diagnostic systems

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2395916A1 (fr) * 2009-02-12 2011-12-21 Ramot at Tel-Aviv University Ltd Procédé et système de détection de neuropathie
US9173568B2 (en) 2009-02-12 2015-11-03 Ramot At Tel-Aviv University Ltd. Method and system for detecting neuropathy
CN102892351A (zh) * 2010-05-17 2013-01-23 朴钟殷 神经机能检查装置
EP2572637A4 (fr) * 2010-05-17 2013-11-06 Jong-Eun Park Dispositif pour l'examen de la fonction nerveuse
EP3081151A1 (fr) 2015-04-16 2016-10-19 Finn Gilling Christensen Dispositif et procédés permettant de diagnostiquer l'adhd et/ou l'autisme
CN110037745A (zh) * 2019-05-29 2019-07-23 宋晶晶 一种用于测试膝跳反应的神经内科临床叩诊锤
RU229083U1 (ru) * 2024-05-21 2024-09-20 Федеральное государственное автономное образовательное учреждение высшего образования "Северный (Арктический) федеральный университет имени М. В. Ломоносова" Устройство для экспресс-диагностики функционального состояния нервной системы по психомоторным показателям

Also Published As

Publication number Publication date
DE502005000970D1 (de) 2007-08-16
ATE366080T1 (de) 2007-07-15
DE102004054656B3 (de) 2006-07-13
EP1656885B1 (fr) 2007-07-04

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